Dec. 2019 Oita-ken Oita-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 33.23 Longitude of receiver(Degree): 131.62 Distance from Hagane-yama LF station (km): 137 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 10.191 80.2 1:00 10.191 80.2 2:00 10.191 80.2 3:00 10.191 80.2 4:00 10.191 80.2 5:00 10.175 80.2 6:00 10.926 80.8 7:00 9.381 79.4 8:00 9.924 79.9 9:00 9.768 79.8 10:00 10.216 80.2 11:00 9.865 79.9 12:00 9.711 79.7 13:00 9.729 79.8 14:00 10.025 80.0 15:00 9.966 80.0 16:00 10.354 80.3 17:00 10.123 80.1 18:00 10.863 80.7 19:00 10.153 80.1 20:00 10.191 80.2 21:00 10.191 80.2 22:00 10.191 80.2 23:00 10.191 80.2